package com.snailthink.servlet;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @program: springmvc-study
 * @description:
 * @author: SnailThink
 * @create: 2021-03-11 17:39
 **/
public class HelloServlet extends HttpServlet {

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		//取得参数
		String method = req.getParameter("method");
		if (method.equals("add")) {
			req.getSession().setAttribute("msg", "执行了add方法");
		}
		if (method.equals("delete")) {
			req.getSession().setAttribute("msg", "执行了delete方法");
		}
		//业务逻辑
		//视图跳转
		req.getRequestDispatcher("/WEB-INF/jsp/hello.jsp").forward(req, resp);
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		doGet(req, resp);
	}
}
